[code-reflection] RFR: ModuleOp generation from LambdaOp and FuncOp [v7]

[Ruby Chen]

> Add support for generating a ModuleOp from either a LambdaOp or a FuncOp. The given LambdaOp will be converted into the root FuncOp, and the given FuncOp will be assigned as the root FuncOp.
> 
> For `CoreOp.ModuleOp.ofLambdaOp()`, a unique name for the new root FuncOp must be passed as a parameter.

Ruby Chen has updated the pull request incrementally with one additional commit since the last revision:

  fixed tests

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Changes:
  - all: https://git.openjdk.org/babylon/pull/691/files
  - new: https://git.openjdk.org/babylon/pull/691/files/4654c480..1cc33001

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=babylon&pr=691&range=06
 - incr: https://webrevs.openjdk.org/?repo=babylon&pr=691&range=05-06

  Stats: 292 lines in 3 files changed: 16 ins; 247 del; 29 mod
  Patch: https://git.openjdk.org/babylon/pull/691.diff
  Fetch: git fetch https://git.openjdk.org/babylon.git pull/691/head:pull/691

PR: https://git.openjdk.org/babylon/pull/691